The Turnbuckle, cataloged under National Stock Number 5340-01-621-0641, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Suncor Stainless, Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-621-0641 |
| Primary Part Number | S0109-JE20 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Suncor Stainless, Inc |
| Status | ACTIVE |
| Take-Up Distance | 6.000 INCHES NOMINAL IN |
| Eye Width | 1.000 INCHES NOMINAL IN |
| Body Style | FLAT OPEN BUCKLE |
| End Style | CLEVIS AND CLOSED EYE |
| Locking Device Type | NUT |
| Fork Width | 1.000 INCHES NOMINAL IN |
| Pinhole Diameter | 0.630 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 803-5184097 REV ITEM 82 | Naval Sea Systems Command (USA) |
| S0109-JE20 PRIMARY | Suncor Stainless, Inc (USA) |
| Reference | Meaning |
|---|---|
| 311SF-JE20150 | 5/9 Secondary reference Qmh, Inc. |
NSN 5340-01-621-0641 is a Turnbuckle, manufactured by Suncor Stainless, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-621-0641 has 2 manufacturer part numbers on file: 803-5184097 REV ITEM 82 (Naval Sea Systems Command), S0109-JE20 (Suncor Stainless, Inc).
Key specifications for S0109-JE20: Take-Up Distance: 6.000 INCHES NOMINAL IN; Eye Width: 1.000 INCHES NOMINAL IN; Body Style: FLAT OPEN BUCKLE; End Style: CLEVIS AND CLOSED EYE. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.